Home / 425,736.90-637,882.67-256,902.48

Finding the Fourth Proportional to 425,736.90, 637,882.67 and 256,902.48

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Solution

The fourth proportional to 425,736.90, 637,882.67 and 256,902.48 is: 384,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,736.90 : 637,882.67 = 256,902.48 : x
  2. Step 2: Convert to fraction form
    425,736.90/637,882.67 = 256,902.48/x
  3. Step 3: Cross multiply
    425,736.90x = 637,882.67 × 256,902.48
  4. Step 4: Simplify right side
    425,736.90x = 163,873,638,587.51
  5. Step 5: Solve for x
    x = 163,873,638,587.51/425,736.90
  6. Step 6: Final answer
    x = 384,917.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.